Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 19:31

General

  • Target

    cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe

  • Size

    707KB

  • MD5

    a0010ef73af346827f58019702999e80

  • SHA1

    26dbc97cb76284cd2a74171cdd73b67a6a1bef77

  • SHA256

    cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6

  • SHA512

    bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039

  • SSDEEP

    12288:vApKlLJ7PZ6BtorUU/4eb5A7t9SP5ZOhXmtfICEc34o7yBSjY/AHCFvitJJH3hmx:4Yl3EtSd5AjhXoACEfo7BjY/AHCFvcJc

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe
    "C:\Users\Admin\AppData\Local\Temp\cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Roaming\sex.exe
      "C:\Users\Admin\AppData\Roaming\sex.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\sex.exe" "sex.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\sex.exe

    Filesize

    707KB

    MD5

    a0010ef73af346827f58019702999e80

    SHA1

    26dbc97cb76284cd2a74171cdd73b67a6a1bef77

    SHA256

    cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6

    SHA512

    bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039

  • C:\Users\Admin\AppData\Roaming\sex.exe

    Filesize

    707KB

    MD5

    a0010ef73af346827f58019702999e80

    SHA1

    26dbc97cb76284cd2a74171cdd73b67a6a1bef77

    SHA256

    cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6

    SHA512

    bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039

  • memory/3068-132-0x0000000000F10000-0x000000000132E000-memory.dmp

    Filesize

    4.1MB

  • memory/3068-133-0x00000000747A0000-0x0000000074D51000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-137-0x0000000000F10000-0x000000000132E000-memory.dmp

    Filesize

    4.1MB

  • memory/3068-138-0x00000000747A0000-0x0000000074D51000-memory.dmp

    Filesize

    5.7MB

  • memory/4416-139-0x00000000747A0000-0x0000000074D51000-memory.dmp

    Filesize

    5.7MB

  • memory/4416-140-0x0000000000050000-0x000000000046E000-memory.dmp

    Filesize

    4.1MB

  • memory/4416-142-0x00000000747A0000-0x0000000074D51000-memory.dmp

    Filesize

    5.7MB

  • memory/4416-143-0x0000000000050000-0x000000000046E000-memory.dmp

    Filesize

    4.1MB